... ).9.Headset function optional.10.Anti-magnetic. ONE: Features: 1) Professional designed faceplate which can be printed with hotel's emblem, telephone ... through 9 groups one-key-dialing,such as reception, business center, guest-room service, laundry room, and so on. It make ... .6) Auto hangup When finished the call, and the caller already hung up, or this telephone didn't hung up,the PBX ...